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-rw-r--r--thirdparty/libvorbis/psy.c26
1 files changed, 15 insertions, 11 deletions
diff --git a/thirdparty/libvorbis/psy.c b/thirdparty/libvorbis/psy.c
index 422c6f1e41..036b094aa7 100644
--- a/thirdparty/libvorbis/psy.c
+++ b/thirdparty/libvorbis/psy.c
@@ -6,7 +6,7 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010 *
- * by the Xiph.Org Foundation http://www.xiph.org/ *
+ * by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
@@ -599,11 +599,12 @@ static void bark_noise_hybridmp(int n,const long *b,
XY[i] = tXY;
}
- for (i = 0, x = 0.f;; i++, x += 1.f) {
+ for (i = 0, x = 0.f; i < n; i++, x += 1.f) {
lo = b[i] >> 16;
- if( lo>=0 ) break;
hi = b[i] & 0xffff;
+ if( lo>=0 || -lo>=n ) break;
+ if( hi>=n ) break;
tN = N[hi] + N[-lo];
tX = X[hi] - X[-lo];
@@ -615,17 +616,17 @@ static void bark_noise_hybridmp(int n,const long *b,
B = tN * tXY - tX * tY;
D = tN * tXX - tX * tX;
R = (A + x * B) / D;
- if (R < 0.f)
- R = 0.f;
+ if (R < 0.f) R = 0.f;
noise[i] = R - offset;
}
- for ( ;; i++, x += 1.f) {
+ for ( ; i < n; i++, x += 1.f) {
lo = b[i] >> 16;
hi = b[i] & 0xffff;
- if(hi>=n)break;
+ if( lo<0 || lo>=n ) break;
+ if( hi>=n ) break;
tN = N[hi] - N[lo];
tX = X[hi] - X[lo];
@@ -641,6 +642,7 @@ static void bark_noise_hybridmp(int n,const long *b,
noise[i] = R - offset;
}
+
for ( ; i < n; i++, x += 1.f) {
R = (A + x * B) / D;
@@ -651,10 +653,11 @@ static void bark_noise_hybridmp(int n,const long *b,
if (fixed <= 0) return;
- for (i = 0, x = 0.f;; i++, x += 1.f) {
+ for (i = 0, x = 0.f; i < n; i++, x += 1.f) {
hi = i + fixed / 2;
lo = hi - fixed;
- if(lo>=0)break;
+ if ( hi>=n ) break;
+ if ( lo>=0 ) break;
tN = N[hi] + N[-lo];
tX = X[hi] - X[-lo];
@@ -670,11 +673,12 @@ static void bark_noise_hybridmp(int n,const long *b,
if (R - offset < noise[i]) noise[i] = R - offset;
}
- for ( ;; i++, x += 1.f) {
+ for ( ; i < n; i++, x += 1.f) {
hi = i + fixed / 2;
lo = hi - fixed;
- if(hi>=n)break;
+ if ( hi>=n ) break;
+ if ( lo<0 ) break;
tN = N[hi] - N[lo];
tX = X[hi] - X[lo];